Operated using 12V DC Xylophone sound door phone with 2 wires. Effective Distance: 150m, 0.8mm copper wire. Designed for either desk use or wall mounting. Dry contact door or gate release button.

Fully galvanized anti-theft bracket, comes w/ discuss stainless steel padlock.
Compatible with Centurion D5 and D5 EVO gate motors only.

Forbatt Lead Acid Rechargeable Battery 7.2AH